58 Baron IO-520 & IO-550 (Scimitar)

Manufacturer: Beechcraft
Aircraft Model(s): 58 Baron
Applicable Engines: IO-550-C, IO-520-C, -CB, IO-550-C

PDF: 58 Baron IO-520 & IO-550 (Scimitar), 58 Baron IO-520 & IO-550 (Scimitar) Continued

Base Kit (w/o Factory A/C) Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391D
2	Polished Spinner	C-3567-1P
1	STC Document Set	SA10551SC

Base Kit (w/ Factory A/C) Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391D
2	Polished Spinner	C-3567-4P
1	STC Document Set	SA10551SC

Kit w/Alcohol Anti-ice (w/o Factory A/C) Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DB
2	Polished Spinner	C-3567-7P
1	Alcohol Anti-ice kit (prop)	102679-1
1	STC Document Set	SA02561CH-D

Kit w/Alcohol Anti-ice (w/ Factory A/C) Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DB
2	Polished Spinner	C-3567-8P
1	Alcohol Anti-ice kit (prop)	102679-1 & 102679-2
1	STC Document Set	SA02561CH-D

(A) Kit w/Electric De-ice (w/o Factory A/C) Includes: (See Note 1)

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DK
2	Polished Spinner	C-3567-1P
1	Electric De-ice Kit (airframe)	7931-5E2793-4
2	Electric De-ice Kit (prop)	7931-5E2793-1
1	STC Document Set	SA10551SC

(B) Kit w/Electric De-ice (w/ Factory A/C) Includes: (See Note 1)

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DK
2	Polished Spinner	C-3567-4P
1	Electric De-ice Kit (airframe)	7931-5E2793-5
2	Electric De-ice Kit (prop)	7931-5E2793-1
1	STC Document Set	SA10551SC

(C) Kit w/Electric De-ice (w/o Factory A/C) Includes: (See Note 1)

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DK
2	Polished Spinner	C-3567-1P
2	Electric De-ice Kit (prop)	7931-5E2793-1
1	STC Document Set	SA10551SC

(D) Kit w/Electric De-ice (w/ Factory A/C) Includes: (See Note 1)

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propeller	PHC-J3YF-2UF/FC7391DK
2	Polished Spinner	C-3567-4P
2	Electric De-ice Kit (prop)	7931-5E2793-1
1	STC Document Set	SA10551SC

NOTE 1: Kits C & D with electric de-ice do not come with airframe dei-ice kits. They are specifically for use on aircraft s/n TH-1231 and later that were factory equipped with Hartzell PHC-J3YF-2UF/FC7663K-2R propellers and an electro-thermal propeller de-ice system. When replacing McCauley C512 propellers and a McCauley electro-thermal propeller de-ice system, order kit A or B.

NOTE 2: This kit is not compatible with electro-thermal de-ice kits on s/n TH-1230 and before. S/N TH-1 through TH-1230 are eligible for the basic kit (no de-ice), with early de-ice kits disabled, and when equipped with alcohol anti-ice. Electro-thermal de-ice kit is not compatible with systems on aircraft previously equipped with 2 blade propellers.

Applicable Models:
58

Specifications:
75 inch diameter 3-bladed “SCIMITAR”, aluminum hub propellers
2400 hour / 6 year TBO
91 pounds each (prop & spinner combined)
diameter reduction allowable to 73 inches

Replaces:
McCauley C512 – 77 inch diameter extended hub 3-bladed props
Diameter reduction allowable to 76.5 inches
2000 hour / 6 year TBO
86 pounds each (prop & spinner combined)

McCauley C30 – 78 inch dia. extended hub 2-bladed props
Diameter reduction allowable to 76 inches
1200 hour / 5 year TBO
69 pounds (prop & spinner combined)

McCauley C35 – 78 inch dia. extended hub 3-bladed props
No diameter reduction allowable
1200 hours / 5 year TBO
85 pounds each (prop & spinner combined)

Hartzell BHC-J2YF-2CHUF/FC8475-6 78 in. dia. 2-bladed props
Diameter reduction allowable to 76 inches
2400 hour / 6 year TBO
78 pounds (prop & spinner combined)

Hartzell PHC-J3YF-2UF/FC7663-2R 76 in. dia. 3-bladed props
Diameter reduction allowable to 74 inches
2400 hour / 6 year TBO
91 pounds each (prop & spinner combined)

Advantages:
Reduced noise
Better take-off and climb performance
Improved cruise performance efficiency
More ground clearance – Less blade erosion / FOD
Longest TBO
Current design (Mc threaded design obsolete)
Attractive design

NOTES:
Please note that in most cases an after market air conditioner does not change the aircraft cowling, therefore the “w/o air conditioning” spinner assembly (C-3567-1P) would be needed when ordering.

Electric De-icer Kit approved on s/n TH-1231 and later only. Aircraft with s/n TH-1230 and before must disengage any existing electric de-ice system.

Aircraft eligible for electric de-ice system (s/n TH-1231 and later) require airframe de-ice kit when replacing McCauley propellers only.

Notes:
Please note that in most cases an after market air conditioner does not change the aircraft cowling, therefore the “w/o air conditioning” spinner assembly (C-3567-1P) would be needed when ordering. Electric De-icer Kit approved on s/n TH-1231 and later only. Aircraft with s/n TH-1230 and before must disengage any existing electric de-ice system. Aircraft eligible for electric de-ice system (s/n TH-1231 and later) require airframe de-ice kit when replacing McCauley propellers only.

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